A controversial cryptocurrency is exploding as traders look for safety away from bitcoin's wild swings

Tether's USDT, a controversial cryptocurrency, is becoming more and more popular among traders, research from Morgan Stanley finds.  
Bitcoin trades paired against USDT now make up 14% of bitcoin trading volumes. 
Tether skeptics have questioned whether the company actually has the US dollars in reserve that it says backs its crypto. 
A controversial cryptocurrency is becoming more and more popular among traders.
Trading between Tether's USDT, a stable-coin that aims to trade at $